LEDPanelS-Sf-P L15-50W-BLE2-830/840 (Opple Item Code: 542003156400) No need to repaint the ceiling due to wide dimensions. Easy to install with mounting bracket. Office compliant, UGR19. Integrated CCT switch for color selection (3000K-4000K). Suitable for ceiling mounting: Yes; Suitable for surface mounting: Yes; Lamp type: LED not exchangeable; With light source: Yes; Type of control gear: LED operating device current-controlled; With control gear: Yes; Housing colour: White; Nominal voltage: 220 - 240; Nominal current: 1300; Material cover: Plastic, structured; Colour temperature: 3000 - 4000; Suitable for workplace according to EN 12464-1: Yes; Type of grid: None; Light sharing: Symmetric; Beam angle: Extreme wide beam >80°; Light outlet: Direct; Length: 1574mm; Width: 370mm; Height/depth: 55mm; Built-in length: 1574mm; Protection class: II; Built-in width: 370mm; Degree of protection (IP): IP20; Impact strength: IK03; Voltage type: AC; Colour of light: White; Max. system power: 50W; Colour rendering index CRI: 80-89; Surface protection housing: Lacquered; Exchangeable control gear: Yes; Rated luminous flux according to IEC 62722-2-1: 6250lm; Dimming programmable: Yes; Dimming RF: Yes; Light distributor: Diffuser lens/optic/panel; Colour consistency (McAdam ellipse): SDCM6; Energy efficiency class of the light source according to EU regulation 2019/2015: C; Max. number of luminaires per miniature circuit breaker B16 (MCB): 20; Max. number of luminaires per miniature circuit breaker C16 (MCB): 12; Rated life time L70/B50 at 25 °C: 70000h; Filament test according to IEC 60695-2-11: 650 °C - 30 s; Flickering value Pst LM: 1; Power factor: 0.9; Stroboscope effect value SVM: 0.4; Type of wiring: Ending; Number of poles: 2; Connection type: Free conductor end; Rated ambient temperature according to IEC 62722-2-1: -10 - 45; Photobiological safety according to EN 62471: RG0; Unified Glare Ratio (UGR): 19; Luminaire efficacy: 125lm/W; Colour of light adjustable: Positions; Luminous flux adjustable: Continuously variable; Beam angle adjustable: No; Operation by Bluetooth: Yes; Housing material: Aluminium;